Miller Stick / TIG Machine Support

Maxstar 400

Heavy industrial DC TIG/stick power source with pulsed TIG and integrated cooler power supply.

TIG (GTAW)Stick (SMAW)Pulsed TIGAir carbon arc Heavy industrial

Processes

TIG (GTAW), Stick (SMAW), Pulsed TIG, Air carbon arc

Output range

3-400 A

Input power

208-575 V

Class

Heavy industrial

Status

Current catalog

Source page

Miller catalog page 64

Machine Packages

Stock number	Catalog package
907873	Maxstar 400 power source only
907873001	Maxstar 400 TIGRunner
951000098	Maxstar 400 complete package

Compatible Accessories

Runner Cart

300244

Open support page

Coolmate 3.5

301788

Open support page

Coolant

043810

Open support page

Compatible TIG Torch Paths

Weldcraft W-375 water-cooled torch kit

301268 Catalog-listed Maxstar 400 complete package torch kit.

Open support page

Stick Lead Path

Stick Leads, Electrode Holders & Work Clamps

Use this path after confirming the machine Dinse or weld cable connector style.

Open support page

Miller Catalog Accessories

These accessories are placed here only when the Miller catalog names this machine, torch, feeder, or family path. Verify plug style, voltage, package, and serial-specific details before ordering.

Part	Accessory	Catalog fitment	Source / path
042418	Dinse-Style Connector Kit	Accepts #4 to #1/0 AWG cable. Catalog lists Dinse/Tweco secondary-connection power-source paths.	Catalog p. 121 Open support path
042533	Dinse-Style Connector Kit	Accepts #4 to #1/0 AWG cable. Catalog lists Dinse/Tweco secondary-connection power-source paths.	Catalog p. 121 Open support path
195379	Air-Cooled TIG Torch Connector	50 mm Dinse-style for Multimatic 235/255, Syncrowave 300/400, Maxstar 210/280/400, and Dynasty 210/300/400 A-200 / WP26 path.	Catalog p. 128 Open support path
195378	Air-Cooled TIG Torch Connector	50 mm Dinse-style for Multimatic 235/255, CST, Syncrowave 300/400, Maxstar 210/280/400, and Dynasty 210/300/400.	Catalog p. 128 Open support path
195377	Water-Cooled TIG Torch Connector	50 mm Dinse-style with water return line for Syncrowave 300/400, Maxstar 210/280/400, and Dynasty 210/300/400.	Catalog p. 128 Open support path
301790	QuietPulse Expansion Memory Card	For Maxstar 210/280/280 Multiprocess/400/800 manufactured prior to serial ND040985L.	Catalog p. 128 Open support path
301309	Contractor Kit: A-150 with RFCS-14 HD	For Maxstar 210/280 and Dynasty 210/300.	Catalog p. 128 Open support path
301311	Contractor Kit: A-150 with RCCS-14	For Maxstar 210/280 and Dynasty 210/300.	Catalog p. 128 Open support path
301549	Contractor Kit: A-200 with RFCS-14 HD	For Maxstar 210/280 and Dynasty 210/300.	Catalog p. 128 Open support path
301550	Contractor Kit: A-200 with RCCS-14	For Maxstar 210/280 and Dynasty 210/300.	Catalog p. 128 Open support path
300185	Weldcraft W-250 Water-Cooled Torch Kit	For Syncrowave 300/400, Maxstar except 161, and Dynasty.	Catalog p. 128 Open support path
300990	Weldcraft W-280 Water-Cooled Torch Kit	For Syncrowave 300/400, Maxstar except 161, and Dynasty.	Catalog p. 128 Open support path
300186	Weldcraft W-400 Water-Cooled Torch Kit	For Syncrowave 300/400, Maxstar except 161, and Dynasty.	Catalog p. 128 Open support path
301382	Protective Cover	For Maxstar 280 and Dynasty 210/300.	Catalog p. 128 Open support path

Included / Package Notes

Included With Packages

8 ft. power cord with no plug
Two 50 mm Dinse-style connectors
TIGRunner adds Runner cart and Coolmate 3.5
Complete package adds coolant, wireless foot control, and Weldcraft W-375 water-cooled torch kit

Process Notes

TIG (GTAW)
Stick (SMAW)
Pulsed TIG
Air carbon arc

Next Lookup Step

After you identify the machine, open the torch path for TIG cups, collets, gas lenses, or back caps. Open stick accessories for leads, holders, clamps, and connector checks.

Need More Help?

Stick Support

Troubleshooting stays secondary. Start with the machine package, then verify the leads, holder, remote, cooler, or TIG torch path.

Open stick accessories

TIG Support

Many inverter stick machines also run TIG. Use the torch path when the question is cups, collets, gas lenses, back caps, or cooling.

Open Weldcraft TIG torches

Search

Use Find My Part when the machine name, stock number, or accessory part number is known.

Find My Part

Source: Miller Electric 2026 Full-line Catalog, catalog page 64, literature DC/24.5. Machine specifications and accessory relationships are catalog-backed.